<?php
class cls_serve_groupbuy extends cls_serve_base
{
	function current_group_buy()
	{
		$group_data=cls_data_base::get_instance($this->name);
		$re=$group_data->current_group_buy();
		return $re;		
	}
	
	function next_group_buy()
	{
		$group_data=cls_data_base::get_instance($this->name);
		$re=$group_data->next_group_buy();
		return $re;
	}
}